| Acronym | Meaning |
| DPP | Data Processing System (Subsystern) |
| SOCA | R Shuttle Operational Capability Assessment Report |
| LSE | Life Support Equipment |
| OPS | Operational Sequence |
| ASSY | Assembly |
| MSBLS | Microwave Scanning Beam Land Station |
| IPS | Interrange Instrumentation Group |
| DDI | Dedicated Display Indicator |
| PGNCS | Primary G&N And Control System (Subsystem) |
| PSRD | Program Support Requirements Document |